i5-12400 vs i5-1245U

VS

Aggregate performance score

Core i5-1245U
2022
10 cores / 12 threads, 15 Watt
8.43
Core i5-12400
2022
6 cores / 12 threads, 65 Watt
12.18
+44.5%

Core i5-12400 outperforms Core i5-1245U by a considerable 44% based on our aggregate benchmark results.

Primary details

Comparing Core i5-1245U and Core i5-12400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking906641
Place by popularitynot in top-10071
Market segmentLaptopDesktop processor
SeriesIntel Alder Lake-Mno data
Power efficiency53.1517.72
Architecture codenameAlder Lake-U (2022)Alder Lake-S (2022)
Release date23 February 2022 (2 years ago)4 January 2022 (2 years ago)

Detailed specifications

Core i5-1245U and Core i5-12400 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores10 (Deca-Core)6 (Hexa-Core)
Threads1212
Base clock speed1.6 GHz2.5 GHz
Boost clock speed4.4 GHz4.4 GHz
L1 cache80K (per core)80K (per core)
L2 cache1.25 MB (per core)1.25 MB (per core)
L3 cache12 MB (shared)18 MB (shared)
Chip lithographyIntel 7 nm10 nm
Die sizeno data163 mm2
Maximum core temperature100 °Cno data
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-1245U and Core i5-12400 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCBGA17441700
Power consumption (TDP)15 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-1245U and Core i5-12400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
FMA+-
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Hyper-Threading Technology+no data
TSX++
Thermal Monitoring+-
Flex Memory Access+no data
SIPP+-
Deep Learning Boost+-

Security technologies

Core i5-1245U and Core i5-12400 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-1245U and Core i5-12400 are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-1245U and Core i5-12400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR4, DDR5 Dual-channel
Maximum memory size64 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleIntel UHD Graphics 730
Quick Sync Video+-
Graphics max frequency1.2 GHzno data
Execution Units80no data

Graphics interfaces

Available interfaces and connections of Core i5-1245U and Core i5-12400 integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i5-1245U and Core i5-12400 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hzno data
Max resolution over eDP4096 x 2304 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i5-1245U and Core i5-12400 integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core i5-1245U and Core i5-12400.

PCIe version4.05.0
PCI Express lanes2020

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-1245U 8.43
i5-12400 12.18
+44.5%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-1245U 13384
i5-12400 19343
+44.5%

Gaming performance

Pros & cons summary


Performance score 8.43 12.18
Recency 23 February 2022 4 January 2022
Physical cores 10 6
Power consumption (TDP) 15 Watt 65 Watt

i5-1245U has an age advantage of 1 month, 66.7% more physical cores, and 333.3% lower power consumption.

i5-12400, on the other hand, has a 44.5% higher aggregate performance score.

The Core i5-12400 is our recommended choice as it beats the Core i5-1245U in performance tests.

Be aware that Core i5-1245U is a notebook processor while Core i5-12400 is a desktop one.


Should you still have questions on choice between Core i5-1245U and Core i5-12400, ask them in Comments section, and we shall answer.

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Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-1245U
Core i5-1245U
Intel Core i5-12400
Core i5-12400

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Community ratings

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Questions & comments

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